Home / 70,410.03-97,165.44-38,145.28

Finding the Fourth Proportional to 70,410.03, 97,165.44 and 38,145.28

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Solution

The fourth proportional to 70,410.03, 97,165.44 and 38,145.28 is: 52,640.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,410.03 : 97,165.44 = 38,145.28 : x
  2. Step 2: Convert to fraction form
    70,410.03/97,165.44 = 38,145.28/x
  3. Step 3: Cross multiply
    70,410.03x = 97,165.44 × 38,145.28
  4. Step 4: Simplify right side
    70,410.03x = 3,706,402,672.21
  5. Step 5: Solve for x
    x = 3,706,402,672.21/70,410.03
  6. Step 6: Final answer
    x = 52,640.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.